Combining Chemical Oxidation and Enhanced Reductive Dechlorination for DNAPL Source Area Treatment at a Danish Megasite: Pilot Test Evaluation
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Background. Kærgård Plantage is the largest and most complex contaminated site in Denmark.

From 1956 to 1973, a pharmaceutical manufacturing facility, with regulatory approval, discharged 280,000 m3 of wastewater containing approximately 60,000 tons of various salts, sulfa drugs (antibiotics), barbiturates, lithium, mercury, cyanides, aniline/pyridine and organic solvents (PCE, DCM, benzene, toluene, alcohols) to six pits situated on a plantation approximately 400 meters from the beach. Given the complex and highly concentrated mixture of contaminants, implementation of multiple or sequenced remediation technologies may be required to achieve cleanup goals. 

Activities. Bench tests with soil and groundwater from the site were performed to evaluate the feasibility 

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Publication Summary

  • Geosyntec Authors: Neal Durant, Leah MacKinnon, Jeff Roberts
  • All Authors: M. Christophersen, J. Fjeldso Christensen, N. Durant, L. MacKinnon, J. Roberts, P. Kakarla, L. Bennedsen, T.H. Jorgensen, J. Dall-Jepsen, and L. Nissen
  • Title: Combining Chemical Oxidation and Enhanced Reductive Dechlorination for DNAPL Source Area Treatment at a Danish Megasite: Pilot Test Evaluation
  • Event or Publication: Proceedings of International Symposium on Bioremediation and Sustainable Environmental Technologies
  • Practice Areas: Groundwater Assessment and Remediation
  • Date: 2011
  • Location: Reno, Nevada